Third Law of Motion
What is newtons third law of motion ?
For every action there is an equal and opposite reaction.
When you jump on a trampoline, what force do you exert on it?
downward force
What do we use to measure forces?
Newtons
You are holding a softball. do you exert force on the softball when you throw it; yes or no?
yes
What happens when an action force is applied in nature?
reaction force occurs at the same time
If 100 N of force are being applied to a wall, what is the force pushing back?
100 N
In a rocket engine, does it exert force on the gases and cause them to escape out the back of the rocket; yes or no?
yes
Do action and reaction forces cancel?
no
If a 275 pound lineman hits you with a force of 175 N, what is the force you exert back?
175 N
If you face a wall while wearing roller skates and push on the wall, what would happen?
You would go rolling backwards.
If one person is pushing upward and another person is pushing downward, what are those forces called?
opposite
How many Newtons are in 10 pounds?
44.5 N
What happens when one object exerts a force on a second object?
second object exerts force on the first object causing it to be equal in strength and opposite in direction.
In the case of a swimmer, as she acts on the water, where does the reaction of the water push her?
forward
Forces always act in _________ and in ___________ directions.